51752023769 has 2 divisors, whose sum is σ = 51752023770. Its totient is φ = 51752023768.

The previous prime is 51752023727. The next prime is 51752023789. The reversal of 51752023769 is 96732025715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51749425225 + 2598544 = 227485^2 + 1612^2 .

It is a cyclic number.

It is not a de Polignac number, because 51752023769 - 2⁸ = 51752023513 is a prime.

It is a super-2 number, since 2×51752023769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51752023789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25876011884 + 25876011885.

It is an arithmetic number, because the mean of its divisors is an integer number (25876011885).

Almost surely, 2^51752023769 is an apocalyptic number.

It is an amenable number.

51752023769 is a deficient number, since it is larger than the sum of its proper divisors (1).

51752023769 is an equidigital number, since it uses as much as digits as its factorization.

51752023769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 51752023769 in words is "fifty-one billion, seven hundred fifty-two million, twenty-three thousand, seven hundred sixty-nine".